Relevant bibliographies by topics / Software defined network security / Dissertations / Theses
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Dissertations / Theses on the topic 'Software defined network security'

Author: Grafiati
Published: 11 December 2022
Last updated: 31 July 2025

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1

Sund, Gabriel, and Haroon Ahmed. "Security challenges within Software Defined Networks." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-156030.

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A large amount of today's communication occurs within data centers where a large number of virtual servers (running one or more virtual machines) provide service providers with the infrastructure needed for their applications and services. In this thesis, we will look at the next step in the virtualization revolution, the virtualized network. Software-defined networking (SDN) is a relatively new concept that is moving the field towards a more software-based solution to networking. Today when a packet is forwarded through a network of routers, decisions are made at each router as to which route
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Ahmed, Haroon, and Gabriel Sund. "Security challenges within Software Defined Networks." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177394.

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A large amount of today's communication occurs within data centers where a large number of virtual servers (running one or more virtual machines) provide service providers with the infrastructure needed for their applications and services. In this thesis, we will look at the next step in the virtualization revolution, the virtualized network. Software-defined networking (SDN) is a relatively new concept that is moving the field towards a more software-based solution to networking. Today when a packet is forwarded through a network of routers, decisions are made at each router as to which route
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Li, Xin. "Enhancing network robustness using software-defined networking." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/38236.

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Doctor of Philosophy<br>Department of Electrical and Computer Engineering<br>Don M. Gruenbacher<br>Caterina M. Scoglio<br>As today's networks are no longer individual networks, networks are less robust towards failures and attacks. For example, computer networks and power networks are interdependent. Computer networks provide smart control for power networks, while power networks provide power supply. Localized network failures and attacks are amplified and exacerbated back and forth between two networks due to their interdependencies. This dissertation focuses on finding solutions to enhance
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Tseng, Yuchia. "Securing network applications in software defined networking." Electronic Thesis or Diss., Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCB036.

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Suite à l'introduction de divers services Internet, les réseaux informatiques ont été reconnus ‏comme ayant joué un rôle essentiel dans la vie moderne au cours du dernier demi-siècle. Le ‏développement rapide et la convergence des technologies informatiques et de communication ‏créent le besoin de connecter divers périphériques avec différents systèmes d'exploitation ‏et protocoles. Il en résulte de nombreux défis pour fournir une intégration transparente ‏d'une grande quantité de dispositifs physiques ou d'entités hétérogènes. Ainsi, les réseaux ‏définis par logiciel (Software Defined Network
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Abou, El Houda Zakaria. "Security Enforcement through Software Defined Networks (SDN)." Thesis, Troyes, 2021. http://www.theses.fr/2021TROY0023.

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La conception originale d'Internet n'a pas pris en compte les aspects de sécurité du réseau, l’objectif prioritaire était de faciliter le processus de communication. Par conséquent, de nombreux protocoles de l'infrastructure Internet exposent un ensemble de vulnérabilités. Ces dernières peuvent être exploitées par les attaquants afin de mener un ensemble d’attaques. Les attaques par déni de service distribué (DDoS) représentent une grande menace; DDoS est l'une des attaques les plus dévastatrices causant des dommages collatéraux aux opérateurs de réseau ainsi qu'aux fournisseurs de services In
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Rajendran, Ashok. "Security Analysis of a Software Defined Wide Area Network Solution." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190193.

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Enterprise wide area network (WAN) is a private network that connects the computers and other devices across an organisation's branch locations and the data centers. It forms the backbone of enterprise communication. Currently, multiprotocol label switching (MPLS) is commonly used to provide this service. As a recent alternative to MPLS, software-dened wide area networking (SD-WAN) solutions are being introduced as an IP based cloud-networking service for enterprises. SD-WAN virtualizes the networking service and eases the complexity of conguring and managing the enterprise network by moving t
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Taylor, Curtis Robin. "Software-defined Networking: Improving Security for Enterprise and Home Networks." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-dissertations/161.

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In enterprise networks, all aspects of the network, such as placement of security devices and performance, must be carefully considered. Even with forethought, networks operators are ultimately unaware of intra-subnet traffic. The inability to monitor intra-subnet traffic leads to blind spots in the network where compromised hosts have unfettered access to the network for spreading and reconnaissance. While network security middleboxes help to address compromises, they are limited in only seeing a subset of all network traffic that traverses routed infrastructure, which is where middleboxes ar
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Lei, Yunsen. "Towards Better Kernel and Network Monitoring of Software Actions." Digital WPI, 2020. https://digitalcommons.wpi.edu/etd-theses/1367.

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Monitoring software actions is one of the most studied approaches to help security researchers understand how software interacts with the system or network. In many cases, monitoring is an important component to help detect attacks that use software vulnerabilities as a vector to compromise endpoints. Attacks are becoming more sophisticated and network use is growing dramatically. Both host-based and network-based monitoring are facing different challenges. A host-based approach has more insight into software's actions but puts itself at the risk of compromise. When deployed on the server endp
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9

Zerkane, Salaheddine. "Security Analysis and Access Control Enforcement through Software Defined Networks." Thesis, Brest, 2018. http://www.theses.fr/2018BRES0057/document.

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Les réseaux programmables (SDN) sont un paradigme émergent qui promet de résoudre les limitations de l'architecture du réseau conventionnel. Dans cette thèse, nous étudions et explorons deux aspects de la relation entre la cybersécurité et les réseaux programmables. D'une part, nous étudions la sécurité pour les réseaux programmables en effectuant une analyse de leurs vulnérabilités. Une telle analyse de sécurité est un processus crucial pour identifier les failles de sécurité des réseaux programmables et pour mesurer leurs impacts. D'autre part, nous explorons l'apport des réseaux programmabl
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Crestani, Giulio. "Problematiche di sicurezza nelle software defined networks." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7555/.

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Questa tesi ha l’obiettivo di comprendere e valutare se l’approccio al paradigma SDN, che verrà spiegato nel capitolo 1, può essere utilizzato efficacemente per implementare dei sistemi atti alla protezione e alla sicurezza di una rete più o meno estesa. Oltre ad introdurre il paradigma SDN con i relativi componenti basilari, si introduce il protocollo fondamentale OpenFlow, per la gestione dei vari componenti. Per ottenere l’obiettivo prestabilito, si sono seguiti alcuni passaggi preliminari. Primo tra tutti si è studiato cos’è l’SDN. Esso introduce una potenziale innovazione nell’utilizzo d
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Alqallaf, Maha. "Software Defined Secure Ad Hoc Wireless Networks." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1464020851.

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12

Rivera, Polanco Sergio A. "AUTOMATED NETWORK SECURITY WITH EXCEPTIONS USING SDN." UKnowledge, 2019. https://uknowledge.uky.edu/cs_etds/87.

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Campus networks have recently experienced a proliferation of devices ranging from personal use devices (e.g. smartphones, laptops, tablets), to special-purpose network equipment (e.g. firewalls, network address translation boxes, network caches, load balancers, virtual private network servers, and authentication servers), as well as special-purpose systems (badge readers, IP phones, cameras, location trackers, etc.). To establish directives and regulations regarding the ways in which these heterogeneous systems are allowed to interact with each other and the network infrastructure, organizatio
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Ahmad, I. (Ijaz). "Improving software defined cognitive and secure networking." Doctoral thesis, Oulun yliopisto, 2018. http://urn.fi/urn:isbn:9789526219516.

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Abstract Traditional communication networks consist of large sets of vendor-specific manually configurable devices. These devices are hardwired with specific control logic or algorithms used for different network functions. The resulting networks comprise distributed control plane architectures that are complex in nature, difficult to integrate and operate, and are least efficient in terms of resource usage. However, the rapid increase in data traffic requires the integrated use of diverse access technologies and autonomic network operations with increased resource efficiency. Therefore, the c
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Molari, Alessandro. "Model Checking of Software Defined Networks using Header Space Analysis." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14772/.

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This thesis investigates the topic of verifying network status validity with a Cyber Security perspective. The fields of interest are dynamic networks like OpenFlow and Software Defined Networks, where these problems may have larger attack surface and greater impact. The framework under study is called Header Space Analysis, a formal model and protocol-agnostic framework that allows to perform static policy checking both in classical TCP/IP networks and modern dynamic SDN. The goal is to analyse some classes of network failure, declaring valid network states and recognizing invalid on
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Farhat, Md Tanzin. "An Artificial Neural Network based Security Approach of Signal Verification in Cognitive Radio Network." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo153511563131623.

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Niyaz, Quamar. "Design and Implementation of a Deep Learning based Intrusion Detection System in Software-Defined Networking Environment." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1501785493311223.

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Wu, Haotian. "OpenFlow-enabled dynamic DMZ for local networks." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/38231.

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Doctor of Philosophy<br>Department of Electrical and Computer Engineering<br>Don M. Gruenbacher<br>Caterina M. Scoglio<br>Cybersecurity is playing a vital role in today's network. We can use security devices, such as a deep packet inspection (DPI) device, to enhance cybersecurity. However, a DPI has a limited amount of inspection capability, which cannot catch up with the ever-increasing volume of network traffic, and that gap is getting even larger. Therefore, inspecting every single packet using DPI is impractical. Our objective is to find a tradeoff between network security and network
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Liyanage, M. (Madhusanka). "Enhancing security and scalability of Virtual Private LAN Services." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526213767.

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Abstract Ethernet based VPLS (Virtual Private LAN Service) is a transparent, protocol independent, multipoint L2VPN (Layer 2 Virtual Private Network) mechanism to interconnect remote customer sites over IP (Internet Protocol) or MPLS (Multiprotocol Label Switching) based provider networks. VPLS networks are now becoming attractive in many Enterprise applications, such as DCI (data center interconnect), voice over IP (VoIP) and videoconferencing services due to their simple, protocol-independent and cost efficient operation. However, these new VPLS applications demand additional requirements, s
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Taylor, Curtis R. "Leveraging Software-Defined Networking and Virtualization for a One-to-One Client-Server Model." Digital WPI, 2014. https://digitalcommons.wpi.edu/etd-theses/577.

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Modern computer networks allow server resources to be shared. While this multiplexing is the unsung hero of scalability and performance, the fact that clients are sharing resources and each client’s network traffic is transmitted in a larger pool of the total network traffic, poses distinct challenges for security. By adopting multiplexing so broadly, the networking and systems communities have implicitly favored performance over security. When servers multiplexing clients are compromised, the attack is able to spread by exploiting unsuspecting clients sharing the resource. Drive-by-download
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Paillissé, Vilanova Jordi. "Next generation overlay networks : security, trust, and deployment challenges." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/672330.

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Overlay networks are a technique to build a new network on top of an existing one. They are a key tool to add functionality to existing networks, and are used in different layers of the Internet stack for a wide variety of purposes, like confidentiality, Quality of Service, virtual networking, etc. Specifically, network overlays in the IP networking layer are widely used in some of these use cases. However, these kind of overlay networks do not have as many functionalities as overlays in other layers. For example, thanks to the Zero Trust Networking paradigm it is possible to build secure over
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Müller, Lucas Fernando. "Survivor : estratégias de posicionamento de controladores orientadas à sobrevivência em redes definidas por software." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/115065.

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O paradigma SDN simplifica o gerenciamento da rede ao concentrar todas as tarefas de controle em uma única entidade, o controlador. Nesse modo de operação, os dispositivos de encaminhamento só funcionam de forma completa enquanto conectados a um controlador. Neste contexto, a literatura recente identificou questões fundamentais, como o isolamento de dispositivos em função de disrupções na rede e a sobrecarga de um controlador, e propôs estratégias de posicionamento do controlador para enfrentá-las. Contudo, as propostas atuais têm limitações cruciais: (i) a conectividade dispositivo-controlado
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Namal, S. (Suneth). "Enhanced communication security and mobility management in small-cell networks." Doctoral thesis, Oulun yliopisto, 2014. http://urn.fi/urn:isbn:9789526206370.

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Abstract Software-Defined Networks (SDN) focus on addressing the challenges of increased complexity and unified communication, for which the conventional networks are not optimally suited due to their static architecture. This dissertation discusses the methods about how to enhance communication security and mobility management in small-cell networks with IEEE 802.11 backhaul. Although 802.11 has become a mission-critical component of enterprise networks, in many cases it is not managed with the same rigor as the wired networks. 802.11 networks are thus in need of undergoing the same unified m
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Bárta, Stanislav. "Rychlé zpracování aplikačních protokolů." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2014. http://www.nusl.cz/ntk/nusl-235415.

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This master's thesis describes the design and implementation of system for processing application protocols in high-speed networks using the concept of Software Defined Monitoring. The proposed solution benefits from hardware accelerated network card performing pre-processing of network traffic based on the feedback from monitoring applications. The proposed system performs pre-processing and filtering of network traffic which is handed afterwards passed to application modules. Application modules process application protocols and generate metadata that describe network traffic. Pre-processing
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Fernandes, Henrique Santos. "Provendo segurança em redes definidas por software através da integração com sistemas de detecção e prevenção de intrusão." Niterói, 2017. https://app.uff.br/riuff/handle/1/3939.

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Submitted by Patrícia Cerveira (pcerveira1@gmail.com) on 2017-06-07T20:29:49Z No. of bitstreams: 1 Henrique_Fernandes Dissertação.pdf: 2826928 bytes, checksum: f7388a5396e90a8444a4aac05feada53 (MD5)<br>Approved for entry into archive by Biblioteca da Escola de Engenharia (bee@ndc.uff.br) on 2017-07-03T14:05:51Z (GMT) No. of bitstreams: 1 Henrique_Fernandes Dissertação.pdf: 2826928 bytes, checksum: f7388a5396e90a8444a4aac05feada53 (MD5)<br>Made available in DSpace on 2017-07-03T14:05:51Z (GMT). No. of bitstreams: 1 Henrique_Fernandes Dissertação.pdf: 2826928 bytes, checksum: f7388a5396e90a8444a
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Amari, Houda. "Smart models for security enhancement in the internet of vehicles." Electronic Thesis or Diss., Normandie, 2023. http://www.theses.fr/2023NORMC248.

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Avec les progrès réalisés au cours de la dernière décennie dans les Systèmes de Transport Intelligents (STI), les progrès technologiques dans le domaine véhciculaire à connu une évolution qui a donné naissance au paradigme prometteur de l'Internet des véhicules (IoV), attirant l'attention de nombreux chercheurs et inudstriels. Il est à noter que l'Internet des véhicules (IoV) vise à améliorer l'efficacité des transports, la sécurité et le confort des passagers en échangeant des informations sur la circulation et l'infodivertissement avec des véhicules connectés. La multitude de technologies d'
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Kekely, Lukáš. "Hardwarová akcelerace aplikací pro monitorování a bezpečnost vysokorychlostních sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2013. http://www.nusl.cz/ntk/nusl-236345.

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This master's thesis deals with the design of software controlled hardware acceleration system for high-speed networks. The main goal is to provide easy access to acceleration for various network security and monitoring applications. The proposed system is designed for 100 Gbps networks. It enables high-speed processing on an FPGA card together with flexible software control. The combination of hardware speed and software flexibility allows easy creation of complex high-performance network applications.  Achievable performance improvement of three chosen monitoring and security applications is
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Kekely, Lukáš. "Softwarově řízené monitorování síťového provozu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-412592.

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Tato disertační práce se zabývá návrhem nového způsobu softwarově řízené (definované) hardwarové akcelerace pro moderní vysokorychlostní počítačové sítě. Hlavním cílem práce je formulace obecného, flexibilního a jednoduše použitelného konceptu akcelerace použitelného pro různé bezpečnostní a monitorovací aplikace, který by umožnil jejich reálné nasazení ve 100 Gb/s a rychlejších sítích. Disertační práce začíná rozborem aktuálního stavu poznání v oborech síťového monitorování, bezpečnosti a způsobů akcelerace zpracování vysokorychlostních síťových dat. Na základě tohoto rozboru je formulován a
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Andersson, Peter, and Robin Blomqvist. "Software Defined Network : Med openflow." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-28597.

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Detta projekt har haft som mål att skapa ett redundant SDN-nätverk som ska ligga som grund för ett fiktivt företag. Företeaget ska kunna använda nätverket som vi bygger upp för att vidareutveckla detta och anpassa det efter verksamhetens behov. Nätverket byggs upp med mininet som används för att simulera en nätverksmiljö. Det fiktiva företaget ska sedan bara kunna lyfta ut nätverket från mininet ut till ett riktigt nätverk. Nätverkets funktioner, såsom protokollen STP och LACP implementeras med hjälp av programmeringsspråket python.<br>The goal for this project is to setup a redundant Software
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Tammana, Praveen Aravind Babu. "Software-defined datacenter network debugging." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31326.

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Software-defined Networking (SDN) enables flexible network management, but as networks evolve to a large number of end-points with diverse network policies, higher speed, and higher utilization, abstraction of networks by SDN makes monitoring and debugging network problems increasingly harder and challenging. While some problems impact packet processing in the data plane (e.g., congestion), some cause policy deployment failures (e.g., hardware bugs); both create inconsistency between operator intent and actual network behavior. Existing debugging tools are not sufficient to accurately detect,
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Compastié, Maxime. "Software-defined Security for Distributed Clouds." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0307/document.

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Dans cette thèse, nous proposons une approche pour la sécurité programmable dans le cloud distribué. Plus spécifiquement, nous montrons de quelle façon cette programmabilité peut contribuer à la protection de services cloud distribués, à travers la génération d'images unikernels fortement contraintes. Celles-ci sont instanciées sous forme de machines virtuelles légères, dont la surface d'attaque est réduite et dont la sécurité est pilotée par un orchestrateur de sécurité. Les contributions de cette thèse sont triples. Premièrement, nous présentons une architecture logique supportant la program
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Compastié, Maxime. "Software-defined Security for Distributed Clouds." Electronic Thesis or Diss., Université de Lorraine, 2018. http://www.theses.fr/2018LORR0307.

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Dans cette thèse, nous proposons une approche pour la sécurité programmable dans le cloud distribué. Plus spécifiquement, nous montrons de quelle façon cette programmabilité peut contribuer à la protection de services cloud distribués, à travers la génération d'images unikernels fortement contraintes. Celles-ci sont instanciées sous forme de machines virtuelles légères, dont la surface d'attaque est réduite et dont la sécurité est pilotée par un orchestrateur de sécurité. Les contributions de cette thèse sont triples. Premièrement, nous présentons une architecture logique supportant la program
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Li, Hao. "Traffic scheduling in software-defined backhaul network." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/20952/.

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In the past few years, severe challenges have arisen for network operators, as explosive growth and service differentiation in data demands require an increasing number of network capacity as well as dynamic traffic management. To adapt to the network densification, wireless backhaul solution is attracting more and more attentions due to its flexible deployment. Meanwhile, the software-defined network (SDN) proposes an promising architecture that can achieve dynamic control and management for various functionalities. In this case, by applying the SDN architecture to wireless backhaul networks,
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Bays, Leonardo Richter. "Virtual network embedding in software-defined networks." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/178658.

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Pesquisas acadêmicas em virtualização de redes vêm sendo realizadas durante diversos anos, nos quais diferentes abordagens de alocação de redes virtuais foram propostas. Tais abordagens, no entanto, negligenciam requisitos operacionais importantes impostos por plataformas de virtualização. No caso de virtualização baseada em SDN/OpenFlow, um exemplo fundamental de tais requisitos operacionais é a disponibilidade de espaço de memória para armazenar regras em dispositivos OpenFlow. Diante dessas circunstâncias, argumentamos que a alocação de redes virtuais deve ser realizada com certo grau de co
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Kailayanathan, Subaharan, and Jimmy Norling. "Admission Control In A Heterogeneous Software-Defined Network." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-42753.

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Software Defined Networking (SDN) provides centralized control by separating the control plane from the data plane on network devices. Subareas of networking such as Quality of Service (QoS) can greatly benefit from this separation as QoS policies can be provided globally for the network. One way of providing QoS is to reserve and monitor network resources to guarantee a specific data rate for a requested transmission end-to-end. The presented thesis looks into possible ways of controlling the wireless medium using SDN to provide QoS. A method for providing QoS in a multihop SDN network suppor
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Kim, Hyojoon. "Facilitating dynamic network control with software-defined networking." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53939.

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This dissertation starts by realizing that network management is a very complex and error-prone task. The major causes are identified through interviews and systematic analysis of network config- uration data on two large campus networks. This dissertation finds that network events and dynamic reactions to them should be programmatically encoded in the network control program by opera- tors, and some events should be automatically handled for them if the desired reaction is general. This dissertation presents two new solutions for managing and configuring networks using Software- Defined Netwo
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Agbogidi, Oghenetega. "Practical Evaluation of a Software Defined Cellular Network." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc984175/.

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This thesis proposes a design of a rapidly deployable cellular network prototype that provides voice and data communications and it is interoperable with legacy devices and the existing network infrastructure. The prototype is based on software defined radio and makes use of IEEE 802.11 unlicensed wireless radio frequency (RF) band for backhaul link and an open source GSM implementation software. The prototype is also evaluated in environments where there is limited control of the radio frequency landscape, and using Voice Over Internet Protocol (VoIP) performance metrics to measure the qualit
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Davoli, Gianluca <1992&gt. "Programmability and management of software-defined network infrastructures." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amsdottorato.unibo.it/9653/1/PhD_Thesis_Gianluca_Davoli.pdf.

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In a landscape where software-based solutions are evermore central in the design, development and deployment of innovative solutions for communication networks, new challenges arise, related to how to best exploit the new solutions made available by technological advancements. The objective of this Thesis is to consolidate and improve some recent solutions for programmability, management, monitoring and provisioning in software-based infrastructures, as well as to propose new solutions for service deployment, management and monitoring over softwarized domains, along with working implementatio
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Rossi, Mattia. "Software Defined Security: il futuro della sicurezza in rete." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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La tesi in oggetto tratta di come la virtualizzazione, tecnica ormai adottata in molteplici campi dell’informatica, possa essere il futuro delle reti di telecomunicazione. Infatti, NFV (Network Function Virtualization) è un tassello fondamentale per la realizzazione delle cosiddette reti “softwarizzate”, comunemente chiamate SDN (Software-Defined Networking). Queste ultime basano la grande maggioranza delle proprie funzionalità su software installati nel livello applicativo e demandano la gestione del flusso dei dati ad uno o più controller, il quale orchestra l’hardware al livello sottostante
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Shahzad, Syed Amir. "Route aggregation in Software-defined Networks." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123977.

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Software-defined Networking (SDN) is an emerging trend in communication networks that facilitates decoupling the control and data plane of multilayer switches. A logically centralized controller hosted on a server configures the forwarding tables (flow tables) of switches in order to route the various data flows.  To implement SDN, OpenFlow technology has been adopted by packet switching vendors as it provides increased flexibility for the control and management of a packet switched domain. OpenFlow technology provides flow based switching that is controlled by a network management control app
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Nevala, Christian. "Mobility management for software defined wireless sensor networks." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-31936.

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By advancing technologies in both hardware and software, it is possible to support more complex applications. Wireless Sensor Networks (WSNs) comprised of tiny sensing devices with wireless radios are the key enablers for future Internet of Things(IoT) applications, where collecting measurements and delivering them to their destination is the most important task. In traditional sensor networks, sensor nodes were typically stationary and each node periodically measured and sent data to the next predefined router. However, in current applications, some nodes are expected to move. For instance, i
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Maricato, José Miguel Duarte. "Software defined access networks." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17212.

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Mestrado em Engenharia Electr onica e Telecomunica c~oes<br>With the increase of internet usage and the exponential growth of bandwidth consumption due to the increasing number of users of new generation equipments and the creation of new services that consume increasingly higher bandwidths, it's necessary to nd solutions to meet these new requirements. Passive optical networks (PONs) promise to solve these problems by providing a better service to users and providers. PON networks are very attractive since they don't depend on active elements between their end points, leading to lower
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Pitzus, Antonio. "SDN : Software Defined Networking." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14006/.

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In un periodo in cui tutto si evolve rapidamente, il settore delle telecomunicazioni sta assistendo alla crescita esponenziale del numero di dispositivi mobili costantemente connessi alla rete; ciò richiede la necessità di un nuovo modo di gestire le reti. La nuova visione che sta maturando in questi ultimi tempi è quella di adottare un modello di rete dinamico, flessibile e soprattutto affidabile e che non richieda grossi sforzi di manutenzione o l’installazione di ulteriori hardware da parte degli operatori. Una rete con queste caratteristiche può essere sviluppata grazie ad un modello ar
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Ryland, Kevin Sherwood. "Software-Defined Radio Implementation of Two Physical Layer Security Techniques." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/82055.

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This thesis discusses the design of two Physical Layer Security (PLS) techniques on Software Defined Radios (SDRs). PLS is a classification of security methods that take advantage of physical properties in the waveform or channel to secure communication. These schemes can be used to directly obfuscate the signal from eavesdroppers, or even generate secret keys for traditional encryption methods. Over the past decade, advancements in Multiple-Input Multiple-Output systems have expanded the potential capabilities of PLS while the development of technologies such as the Internet of Things has
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Hughes, Jason J. "Employing deceptive dynamic network topology through software-defined networking." Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/41392.

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Approved for public release; distribution is unlimited.<br>Computer networks are constantly being actively probed in attempts to build topological maps of intermediate nodes and discover endpoints, either for academic research or nefarious schemes. While some networks employ recommended conventional countermea-sures to simply block such probing at the boundary or shunt such traffic to honey pot systems, other networks remain completely open either by design or neglect. Our research builds on previous work on the concept of presenting a deceptive network topology, which goes beyond conventional
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Bispo, Pedro José Neves. "A software defined network controller quantitative and qualitative analysis." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/23475.

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Mestrado em Engenharia Eletrónica e Telecomunicações<br>New challenges are being raised in the networking field with the increasing number of connected devices. The growth of mobile data usage has to be considered as a requirement for the deployment of future 5G networks, especially regarding mobility scenarios. Software-Defined Networking (SDN) enables a greater degree of dynamism and simplification for the deployment of those 5G networks. SDN provides the separation of the control plane from the forwarding plane, allowing more control, adaptability and cost reduction. The growth of SD
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Hiryanto, Lely. "Multi-Stage Network Upgrade for Green Software Defined Networking." Thesis, Curtin University, 2022. http://hdl.handle.net/20.500.11937/88898.

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This thesis addresses three versions of a novel problem, called Green Multi-Stage Upgrade (GMSU), to upgrade legacy networks to Software Defined Networks (SDNs). The three versions, namely GMSU-1, GMSU-2, and GMSU-3, consider legacy networks that support IEEE 802.1AX, where each link contains multiple cables. Each version aims to replace a set of legacy-switches with SDN-switches over multiple stages. The aim is to maximally turn off unused cables adjacent to SDN-switches to save energy.
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Brawerman, Alessandro. "A Fraud-Prevention Framework for Software Defined Radio Mobile Devices." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7162.

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The superior reconfigurability of software defined radio mobile devices has made it one of the most promising technology on the wireless network and in the mobile communication industry. The evolution from a static and rigid system to a highly dynamic environment, which offers many advantages over current systems, has been made possible thanks to the concepts of programmability and reconfigurability introduced by the software defined radio technology and the higher level of flexibility and openness of this technology's devices. Clearly, the software defined radio mobile device's flexibility
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Aydeger, Abdullah. "Software Defined Networking for Smart Grid Communications." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2580.

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Emerging Software Defined Networking (SDN) technology has provided excellent flexibility to large-scale networks in terms of control, management, security, and maintenance. On the other hand, recent years witnessed a tremendous growth of the critical infrastructure networks, namely the Smart-Grid, in terms of its underlying communication infrastructure. Such large local networks requires significant effort in terms of network management and security. We explore the potential utilization of the SDN technology over the Smart Grid communication architecture. Specifically, we introduce three novel
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Hitefield, Seth D. "A Defense-In-Depth Security Architecture for Software Defined Radio Systems." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/96594.

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Modern wireless communications systems are constantly evolving and growing more complex. Recently, there has been a shift towards software defined radios due to the flexibility soft- ware implementations provide. This enables an easier development process, longer product lifetimes, and better adaptability for congested environments than conventional hardware systems. However, this shift introduces new attack surfaces where vulnerable implementa- tions can be exploited to disrupt communications or gain unauthorized access to a system. Previous research concerning wireless security mainly focuse
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Doriguzzi, Corin Roberto <1972&gt. "Methods and Techniques for Dynamic Deployability of Software-Defined Security Services." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amsdottorato.unibo.it/9208/1/Roberto-Doriguzzi-Corin-PhD-Thesis-FINAL-VERSION.pdf.

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With the recent trend of “network softwarisation”, enabled by emerging technologies such as Software-Defined Networking and Network Function Virtualisation, system administrators of data centres and enterprise networks have started replacing dedicated hardware-based middleboxes with virtualised network functions running on servers and end hosts. This radical change has facilitated the provisioning of advanced and flexible network services, ultimately helping system administrators and network operators to cope with the rapid changes in service requirements and networking workloads. Th
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